Replace scoped_ptr with std::unique_ptr in //ui

ui/gfx/linux_font_delegate.h

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef UI_GFX_LINUX_FONT_DELEGATE_H_
 #define UI_GFX_LINUX_FONT_DELEGATE_H_
 
+#include <memory>
 #include <string>
 
-#include "base/memory/scoped_ptr.h"
 #include "ui/gfx/font_render_params.h"
 #include "ui/gfx/gfx_export.h"
 
 namespace gfx {
 
 // Allows a Linux platform-specific overriding of font preferences.
 class GFX_EXPORT LinuxFontDelegate {
  public:
   virtual ~LinuxFontDelegate() {}
 
@@ skipping 17 matching lines @@
   virtual void GetDefaultFontDescription(
       std::string* family_out,
       int* size_pixels_out,
       int* style_out,
       FontRenderParams* params_out) const = 0;
 };
 
 }  // namespace gfx
 
 #endif  // UI_GFX_LINUX_FONT_DELEGATE_H_